import bitronix.tm.TransactionManagerServices;
import bitronix.tm.TransactionManager;
TransactionManager transactionManager = TransactionManagerServices.getTransactionManager();
transactionManager.begin();
try {
// ...
transactionManager.commit();
} catch (Exception e) {
transactionManager.rollback();
}
bitronix.tm.serverId = myServer
bitronix.tm.journal.disk.journalFileName = /path/to/journal/btm1.tlog
bitronix.tm.resource.jdbc.allowLocalTransactions = true
...